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4520 Headlight Flash

725 Views 3 Replies 3 Participants Last post by  steelhorse83
I just picked up an early model 4520 utility tractor, and it is doing the most bizarre thing. With the headlight switch in the off position and the right turn signal on, the headlights flash with the turn signal. The behavior does not occur with the left turn signal on, nor when the headlight switch commands the headlights to be on. Any ideas?

I'm guessing that the right turn signal wire runs with the headlight wire somewhere in the harness, and maybe something has rubbed through, but I haven't torn into it yet.

Thanks in advance!
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Agreed. Check for faulty grounds before you tear harness apart.
Grounding issues can cause these kind of problems.
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